نتایج جستجو برای: dsc

تعداد نتایج: 8368  

2017
Qian Xu Qi Liu Haitao Ge Xinting Ge Jiangfen Wu Jianxun Qu Kai Xu

BACKGROUND Gliomas constitute over 90% of primary brain tumors. Accurate identification of glioma recurrence and treatment effects is important, as it can help determine whether to continue with standard adjuvant chemotherapy or to switch to a second-line therapy for recurrence. Our purpose is to compare three dimensional pseudo-continuous arterial spin labeling (3D-pcASL) technique and dynamic...

Journal: :The Journal of clinical endocrinology and metabolism 2003
María Kimatrai Carmen Oliver Ana Clara Abadía-Molina José Marcos García-Pacheco Enrique G Olivares

We previously demonstrated that human decidual stromal cells (DSC), the main cellular component of the decidua, are similar in antigen phenotype and structure to myofibroblasts, cells with contractile activity. In this work we isolated and maintained DSC in fibroblast medium, in which these cells show a stable phenotype similar to that of DSC in vivo. Flow cytometric observations showed that mo...

Journal: :Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2011
Yoji Tanaka Tsukasa Nagaoka Govind Nair Kikuo Ohno Timothy Q Duong

Arterial spin labeling (ASL) and dynamic susceptibility contrast (DSC) magnetic resonance imaging (MRI) are widely used to image cerebral blood flow (CBF) in stroke. This study examined how changes in tissue spin-lattice relaxation-time constant (T(1)), blood-brain barrier (BBB) permeability, and transit time affect CBF quantification by ASL and DSC in postischemic hyperperfusion in the same an...

Journal: :EURASIP J. Wireless Comm. and Networking 2011
Tiejun Lv Jinhuan Xia Feichi Long

This paper proposes a Dempster -Shafer theory based combining scheme for single-input single-output (SISO) systems with hybrid automatic retransmission request (HARQ), referred to as DSC, in which two methods for soft information calculations are developed for equiprobable (EP) and non-equiprobable (NEP) sources, respectively. One is based on the distance from the received signal to the decisio...

2017
Gyöngyi Szakadáti

Supervisors: Dr. László Hunyady, DSc, professor Dr. András Balla, PhD, associate professor Official reviewers: Dr. Károly Liliom, PhD, senior research fellow Dr. Attila Reményi, PhD , senior research fellow Head of the Final Examination Committee: Dr. Zsuzsanna Fürst, DSc, professor emerita Members of the Final Examination Committee: Dr. Szabolcs Sipeki, PhD, senior lecturer Dr. Beáta Sperlágh,...

2008
Gordana Kralik

1 Ivona Đurkin, BScAgr, Assistant; Goran Kušec, DSc, Associate Professor; Gordana Kralik, DSc, Full Professor; Antun Petričević, DSc, Prof. Emeritus; V. Margeta, MSc, Junior Assistant; Danica Hanžek, BSc Agr, Expert Consultant; Zlata Maltar, MSc, Expert Consultant. Faculty of Agriculture, University J. J. Strossmayer in Osijek, Department of Special Zootechnics, Trg Sv. Trojstva 3, 31 000 Osije...

2016
Rishma Vidyasagar Laurence Abernethy Barry Pizer Shivaram Avula Laura M Parkes

OBJECTIVE Arterial spin-labelling (ASL) MRI uses intrinsic blood water to quantify the cerebral blood flow (CBF), removing the need for the injection of a gadolinium-based contrast agent used for conventional perfusion imaging such as dynamic susceptibility contrast (DSC). Owing to the non-invasive nature of the technique, ASL is an attractive option for use in paediatric patients. This work co...

Journal: :Journal of neurophysiology 2003
Michael Smotherman Walter Metzner

Echolocating horseshoe bats respond to flight-speed induced shifts in echo frequency by adjusting the frequency of subsequent calls. Under natural conditions, Doppler effects may force the frequency of a returning echo several kilohertz above the original emission frequency. By lowering subsequent call frequencies, the bat can return echo frequencies to within a narrow spectral bandwidth to whi...

Journal: :Survey Review 1996

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